GWECO LLC
Bauxite
Bauxite technical grades and source-listed specifications for customer review.
Back to Industrial & Refractory Materials
Bauxite is listed in GWECO’s Industrial & Refractory Materials Catalog, Revision 4 (October 2026), under Bauxite.
Source-listed technical profiles: Grade 78; Grade 86 (RK 15).
Contact GWECO with the required grade, particle size, quantity and delivery destination to confirm current availability, packaging and shipment requirements.
Source-listed sizes
Grade 78: 0–1 mm; 1–3 mm; 3–5 mm; finer 100 mesh; finer 200 mesh
Grade 86 (RK 15): 0–20 mm; 0–30 mm; 0–50 mm; 0–1 mm; 1–3 mm; 3–5 mm; 0–4 mm; 0–6 mm; 0–10 mm; finer 100 mesh; finer 200 mesh
Source-listed size options; current availability requires inquiry.
GWECO did not perform the original testing. Source-reported results do not certify any particular shipment or production lot. Confirm current availability and shipment requirements with GWECO.
Available grades and sizes
Grade 78: 0–1 mm; 1–3 mm; 3–5 mm; finer 100 mesh; finer 200 mesh
Grade 86 (RK 15): 0–20 mm; 0–30 mm; 0–50 mm; 0–1 mm; 1–3 mm; 3–5 mm; 0–4 mm; 0–6 mm; 0–10 mm; finer 100 mesh; finer 200 mesh
Technical specifications
Source-listed sizes — Grade 78
Source-listed size / fraction |
|---|
0–1 mm |
1–3 mm |
3–5 mm |
finer 100 mesh |
finer 200 mesh |
SPECIFIED CHEMISTRY AND PHYSICAL PROPERTIES
Property | Specification |
|---|---|
Al₂O₃ | 78% min. |
SiO₂ | 14–16% |
Fe₂O₃ | 2.0% max. |
K₂O + Na₂O | 0.35% max. |
CaO + MgO | 0.45% max. |
TiO₂ | 3.5–4.0% |
B.D. | 2.8–3 g/cm³ |
STANDARD SIZES
Size description | Source specification |
|---|---|
Size options | 0–1 / 1–3 / 3–5 mm; finer 100 mesh; finer 200 mesh |
Size fraction | Min. 90% |
Property |
|---|
Grade 78
The catalog does not provide a different grade specification for each listed size. Source size-fraction requirements remain in the tables below.
Source-listed options; confirm current availability with GWECO.